<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#0000ff"><div>Hi John, some brief notes below. If you get to greater clarity on this point, thanks for sharing back with the list. Cheers!</div><ul><li>It might be better to show moves relative to rests in a more principled manner (just go with published methods in good journals using protocols similar to yours (see for example recent Makeig mobile EEG papers)<br></li><li>You may have inconsistencies between your (inserted) rests and the moves. (In that it's not continuous data, and there will be jumps in the data where you've merged the epochs). <br></li><li>Please try reviewing published methods and past eeglablist posts (googlable) on other ways to baseline the move events. <br></li><li>One should be able to build a matrix of new data via script that matches EEG.data but has the rest move rest move rest version of the data. One would build that via a small script, and then insert as the new EEG.data, and then epoch/analyze from there.<br></li><li>Alternatively one could loop through a continuous file with the move epochs in it, and subtract some baseline or rest from each of the move periods, via script.<br></li><li>If you haven't, consider the baseline before each move as a possible useful period of interest for baselining move effects.</li><li>Using mergeset in a loop would work as well, if done correctly via script</li></ul></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#0000ff"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#0000ff"><span style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">Luck, S. J., & Gaspelin, N. (2017). How to get statistically significant effects in any ERP experiment (and why you shouldn't). </span><i style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">Psychophysiology</i><span style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">, </span><i style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">54</i><span style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">(1), 146-157.</span><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#0000ff"><span style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">Liang, M., Starrett, M. J., & Ekstrom, A. D. (2018). Dissociation of frontal‐midline delta‐theta and posterior alpha oscillations: A mobile EEG study. </span><i style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">Psychophysiology</i><span style="color:rgb(34,34,34);font-family:Arial,sans-serif;font-size:13px">, e13090.</span><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#0000ff"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 17, 2019 at 2:24 PM Johnson, John T. <<a href="mailto:john.johnson@gatech.edu">john.johnson@gatech.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>
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<p dir="auto">Hello,</p>
<p dir="auto">I have a study where the user rests, then performs 6 cyclical movements, then rests. I would like to compare portions of the 6 cyclical movements to the rest before my cue for the participant to start.</p>
<p dir="auto">rest1 moveA1 moveA2 moveA3 moveA4 moveA5 moveA6 rest2 moveB1 move B2 …</p>
<p dir="auto">I have event markers at each move, and another at move1 that signifies the end of rest.</p>
<p dir="auto">Ideally, I would like to have this:</p>
<p dir="auto">rest1 move1 rest1 move2 rest1 move3 … rest2 moveB1 rest2 moveB2 …</p>
<p dir="auto">The idea being that I could then epoch at each move, dip fit, load them all into a study, and do component localization based on ERSP of each move relative to rest.</p>
<p dir="auto">Is repeatedly calling pop_mergeset, building the target dataset one epoch at a time, the best way to handle this?</p>
<p dir="auto">Thanks,</p>
<p dir="auto">John T. Johnson<br>
PhD Student - Cognitive Motor Control Laboratory<br>
Lab TA NEURO 2001 Principles<br>
School of Biological Sciences<br>
Georgia Institute of Technology</p>
<p dir="auto">678-575-2093<br>
<a href="mailto:john.johnson@gatech.edu" target="_blank">john.johnson@gatech.edu</a></p>
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